[Code of Federal Regulations] [Title 21, Volume 8] [Revised as of April 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR876.4500] [Page 356] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 876--GASTROENTEROLOGY-UROLOGY DEVICES--Table of Contents Subpart E--Surgical Devices Sec. 876.4500 Mechanical lithotriptor. (a) Identification. A mechanical lithotriptor is a device with steel jaws that is inserted into the urinary bladder through the urethra to grasp and crush bladder stones. (b) Classification. Class II (performance standards).